{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1476-6SF36","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1476-6SF36","canonicalUrl":"https://aoctrl.com/siemens/3RT1476-6SF36","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1476-6SF36","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS contactor, size S12, order code 3RT1476-6SF36, coil 96-127 V AC/DC, MTBF 75 a, active production.","salesMarkdown":"Its MTBF of 75 a means the design target is one failure per 75 years of continuous operation, a figure that aligns with high-availability lines where unplanned downtime costs megawatt-hours on the meter. The coil accepts 96…127 V AC/DC, so a single control transformer or battery-backed DC bus covers both AC and DC installations without a separate coil variant. Power wiring is handled through screw-type terminals accepting stranded cable from 70 up to 240 mm² — sized for the full rated current of the S12 frame. At 225 mm depth, 160 mm width, and 214 mm height, the S12 frame occupies significant panel real estate — plan for a minimum 10 mm clearance at the side, 10 mm upwards, 20 mm forwards, and 10 mm downwards for arc flash and cooling. The screw fixing method uses an 11 mm hole — standard for M10 or 3/8-inch hardware.","metaTitle":"Siemens 3RT1476-6SF36 SIRIUS Contactor, Size S12, MTBF 75 a","metaDescription":"Siemens SIRIUS contactor 3RT1476-6SF36, size S12, rated coil 96-127 V AC/DC, MTBF 75 a, active production. Stranded power wiring 70-240 mm². Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"MTBF":"75 a","Depth":"225 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)","Width":"160 mm","at AC":"115 ... 130 ms","at DC":"115 ... 130 ms","Height":"214 mm","Upwards":"10 mm","Forwards":"20 mm","Stranded":"70 ... 240 mm²","at 50 Hz":"0.8","at 60 Hz":"0.8 ... 1.1","Downwards":"10 mm","Attachable":"4","Arcing Time":"10 ... 15 ms","At The Side":"10 mm","Rated Value":"96 ... 127 V","Initial Value":"0.8","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Screw-type terminals","Number Of Holes":"1","Type Of Voltage":"AC/DC","lifecycle_stage":"current","Auxiliary Switch":"Yes","During Operation":"-25 ... +60 °C","Fastening Method":"screw fixing","Full-Scale Value":"1.1","Diameter Of Holes":"11 mm","Mounting Position":"with vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back","Size Of Contactor":"S12","Solid Or Stranded":"2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), max. 2x (0,75 ... 4 mm²)","Product Brand Name":"SIRIUS","Product Designation":"Contactor","at 24 V rated value":"10 A","at 48 V rated value":"2 A","at 60 V rated value":"2 A","Of Contactor Typical":"10 000 000","at 110 V rated value":"1 A","at 125 V rated value":"0.9 A","at 220 V rated value":"0.3 A","at 230 V rated value":"6 A","at 400 V rated value":"3 A","at 50 Hz rated value":"96 ... 127 V","at 500 V rated value":"2 A","at 60 Hz rated value":"96 ... 127 V","at 600 V rated value":"0.1 A","at 690 V rated value":"1 A","Instantaneous Contact":"2","Side-By-Side Mounting":"Yes","Width Of Connection Bar":"25 mm","For Main Current Circuit":"Connection bar","Relative Humidity Minimum":"10 %","Of Main Circuit Rated Value":"8 kV","Thickness Of Connection Bar":"6 mm","at AC in hot operating state":"185.7 W","Substance Prohibitance (Date)":"03/01/2017","Design Of The Surge Suppressor":"with varistor","Of Auxiliary Circuit Rated Value":"6 kV","For Auxiliary And Control Circuit":"screw-type terminals","Function Module For Communication":"No","With Type Of Assignment 2 Required":"gR: 710 A (690 V, 100 kA)","Without Load Current Share Typical":"3.6 W","closing power of magnet coil at DC":"800 W","holding power of magnet coil at DC":"3.6 W","At Contactor For Auxiliary Contacts":"Screw-type terminals","operating frequency at AC-1 maximum":"200 1/h","With Type Of Coordination 1 Required":"gG: 800 A (690 V, 50 kA)","category according to EN ISO 13849-1":"2","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"61.9 W","for AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 1x 12","stop category according to EN 60204-1":"0","number of NC contacts for main contacts":"0","number of NO contacts for main contacts":"3","reference code according to IEC 81346-2":"Q","Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Number Of Poles For Main Current Circuit":"3","Type Of Voltage For Main Current Circuit":"AC","Contact Reliability Of Auxiliary Contacts":"1 faulty switching per 100 million (17 V, 1 mA)","Product Function Short Circuit Protection":"No","mirror contact according to IEC 60947-4-1":"Yes","with low demand rate according to SN 31920":"40 %","safety device type according to IEC 61508-2":"Type B","with high demand rate according to SN 31920":"73 %","number of NC contacts for auxiliary contacts":"2","number of NO contacts for auxiliary contacts":"2","Type Of Voltage Of The Control Supply Voltage":"AC/DC","hardware fault tolerance according to IEC 61508":"0","PFHD with high demand rate according to EN 62061":"4.5E-7 1/h","SIL Claim Limit (subsystem) according to EN 62061":"2","PFDavg with low demand rate according to IEC 61508":"0.007","performance level (PL) according to EN ISO 13849-1":"c","type of PLC-control input according to IEC 60947-1":"Type 1","Of Main Circuit With Degree Of Pollution 3 Rated Value":"1 000 V","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","Of Auxiliary Circuit With Degree Of Pollution 3 Rated Value":"500 V","For Short-Circuit Protection Of The Auxiliary Switch Required":"gG: 10 A (500 V, 1 kA)","minimum cross-section in main circuit at maximum AC-1 rated value":"480 mm²","Of The Contactor With Added Electronically Optimized Auxiliary Switch Block Typical":"5 000 000","Design Of The Miniature Circuit Breaker For Short-Circuit Protection Of The Auxiliary Switch Required":"gG: 10 A (230 V, 400 A)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/8635b0c3f56404f303e81ae3b7c242e4.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=907626&mlfb=3RT1476-6SF36","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1476-6SF36/alternatives.json"},"ai":{"faq":[{"question":"What is the MTBF of this contactor?","answer":"The listed MTBF is 75 a (years), meaning the design reliability target is one failure per 75 years of continuous operation under rated conditions."},{"question":"What coil voltage does this contactor accept?","answer":"The coil is rated for 96…127 V AC/DC, so it works on both AC and DC control circuits without needing a separate coil variant."},{"question":"What size cable does the power terminal accept?","answer":"The screw-type terminals accept stranded cable from 70 mm² up to 240 mm² — suitable for high-current motor feeders."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1476-6SF36","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3RT1476-6SF36 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}